The new capital city of Japan. Built in the old Nagano prefecture to replace the old Tokyo. Construction started in 2001 and it acquired all the functionalities suited for a capital in 2003.
In 2005 the second capital relocation plan was agreed, and it was planned that the capital would be moved to Neo-Tokyo-3, still under construction then.
By the way, old Tokyo was annihilated by the new bomb dropped one week after the Second Impact. Again, the construction of Tokyo-2 was decided by the Provisional Government of Japan.